Hydrocarbon motor



Aug. 18, 1925. f 1,550,136

| M. wooLsoN l HYDROCARBON MOTOR Filed Dec.v 25. 1920 2 Sheets-Sheet l Aug. 18, 1925. Y 1,550,135

l.. M. woolsoN y HYDROCARBON MOTOR Filed Dec. 25, 1920 2 Sheets-Sheet 2 G1101 neg! Patented Aug. "1d, 1925.7

STATES- PATENTl OFFWE.

LINEL M. WOOLSON. F DETRQIT, MICHIGAN, ASSIGNOR TO PACKARD MOTOR CAR COMPANY, 0F DETROIT, MICHIGAN, A CORPORATION OIF MICHIGAN.

nrnnocennon Moron.

Application iled December 23, 1920. Serial No. 432,798.

To all whom it may concern.

Be it known that 1, LIONEL M. `WooLsoN, a citizen of the United States, and resident of Detroit, /Vayne County, State of Michigan, have invented certain new and useful Improvements in Hydrocarbon Motors, of which the following is a specification.

This invention relates tohydrocarbon motors and particularly tothe mixture conduit and the heating means therefor.

One of the objects of the present invention is to provide a novel form of intake pipe or conduit for efficiently handling the mixture between the carburetor and the motor.

Another object of the invention is to provide a novel form oit intake conduit with an eicient heating device for the mixture passing therethrough.

' Other objects of theinvention will appear from the following description taken in connection with the drawings, which form a part of this specification, and in which:

Fig. 1 is a front elevation and part vertical section of a hydrocarbon motor embodying the invention;

Fig. l2 is a section taken at right angles to Fig. 1, substantially on the line 2-2 of Fig. 1;

Fig. 3 is a crosssection on the line 3-3of Fig. 1; and l Fig. 4: is a cross section on the line 4 4 of Fig. 1.

Referri g to the drawings, represents one of the` cylinders of a hydrocarbon motor and 11 and 12 are two intake pipes or conduits leading to the intake valvesof the motor. A carburetor 13, of anysuitable construction, is adapted to supply mixture to the pipes 11 and 12 and throttle valves 14 yand 15, connected by gearing 16, are adapted to control the passage of the-mixture through the two outlet passages 17 and 18 from the carburetor.

An intermediate pipe or conduit 19 forms the connection between the passages 17 and 18 of the carburetor and the pipes 11 and '12 above referred to. This intermediate pipe has its middle portion in the form of a single chamber 20 and its inlet end is divided by a partition 21 so that there are two inlet passages y22 and 23 which connect with the outlet passages 17 and 18 respectively of the carburetor. The outlet end of the intermediate pipe 19 is also divided by a partition 24, thus forming two outlet pasor downwardly at its front end, the intermediate pipe 19 isso formed that the axes ot passages 22 and 23 are in a plane which is at right angles to a plane passing through the axes of passages 25 and 26. This twisting in the arrangement of these passages is made possible partly by reason of the 'formation o the pipe 19 with a single chamber in its middle portion.

Thus,'if the two nozzles of the duplex carburetor were arranged transversely of the engine instead of longitudinally thereof as in the drawing, which would be the oase if the intermediate pipe 19 did not provide for the twist, one' of the nozzles would be farther away from the float chamber than the other and would thereby receive more or less fuel than the other when the engine is tipped sideways, or if the float should be arranged forward or aft of the transversely arranged nozzles then the engine would receive more or less :fuel depending `upon whether the engine was pointed upwardly or downwardly. By arranging fthe nozzles and oat chamber as shown these objections are overcome. 4

AFor the purpose of heating the `mixture as itpasses through the intake pipe 19, a combustion heater is provided and mounted upon the intake pipe.' It is shownyin the form of a jacket 27 surrounding part of the intake pipe 19 and having two outlets 28 into the passages 22T-and 23. This jacket 27 forms a heating chamber, the upper part of which is continued by a combustion chamber 29 formed in a burner body 30 which is secured to the 'acket 27 as by bolts 31. The combustion c amber 29 has an observation window 32 and a spark plug 33. Its valved inlet is shown at `3a, the ad]ustable valve 35 governing the amount of mixture which may enter the combustion chamber.

Mixture is supplied to the combustion heater in vthe form shown by a pipe '36 which connects with a small carburetor 37 shown as mounted in the oat chamber 38 of the carburetor 13 Iabove referred to.

From the above descri tion.l it `will be seen that when the thrott e valves 14 and 15 are closed or nearly so and the moto: is idling, the suction above the throttle valves will cause a depression in the jacket 27 Whereb mixture is drawn from the auxiliary car uretor 37 through the pipe 36 to the combustion chamber 29. yThe mixture is there exploded by the spark plug 33 and a certain amount of heat is transferred to the mixture in the pipe 19 through the intervening'wall. The products of combustion pass downwardly through the jacket 27 and through the orts'28 into the passages 22 land 23 of t e pipe 19. .This hot burnt gas mixes with the mixture and heats it on the way to the motor, thereby.

supplying the motor with ahot/dry mixture when idling. As thel throttle valves are open and the suction above, the throttles is consequently'lessened, the amount ot heat produced by the combustion heater is reduced, and of course the heat is not then so much needed because the motor itself supplies sufficient heat for properly handling the charge.

pipe having its other end portion connected to said mixture conduits, of a heater device of combustlon form mounted upon ,and

forming a jacket for a portion of the wall of the single chamber part of said intermediate pipe, and an outlet means for said combustion heater leading` from said heater to said two conduits above said throttle valves. Y 1

2. In a hydrocarbon motor, the combination with a carburetorv having two outlet passages, and two intake pipes having their inlet ends arranged in parallel, of an intermediate intake pipe having two inlet passages connected to the outlet passages of said carburetor and having two outlet passages connectedr-to the inlet ends of said first intake pipes, the axes of the inlet passages of said intermediate pipe being in a plane at right angles to a plane passingthrough the axes of the outlet passages thereof.

In testimony whereof I atiix my signature.

`LION EL M. VOOLSON. 

